Home / 109,395.97-164,095.26-30,505.39

Finding the Fourth Proportional to 109,395.97, 164,095.26 and 30,505.39

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Solution

The fourth proportional to 109,395.97, 164,095.26 and 30,505.39 is: 45,758.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,395.97 : 164,095.26 = 30,505.39 : x
  2. Step 2: Convert to fraction form
    109,395.97/164,095.26 = 30,505.39/x
  3. Step 3: Cross multiply
    109,395.97x = 164,095.26 × 30,505.39
  4. Step 4: Simplify right side
    109,395.97x = 5,005,789,903.45
  5. Step 5: Solve for x
    x = 5,005,789,903.45/109,395.97
  6. Step 6: Final answer
    x = 45,758.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.